5185265087 has 4 divisors (see below), whose sum is σ = 5194099176. Its totient is φ = 5176431000.

The previous prime is 5185265009. The next prime is 5185265101. The reversal of 5185265087 is 7805625815.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5185265087 - 2²⁰ = 5184216511 is a prime.

It is a super-2 number, since 2×5185265087² = 53773948044922235138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185265587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4416164 + ... + 4417337.

It is an arithmetic number, because the mean of its divisors is an integer number (1298524794).

Almost surely, 2^5185265087 is an apocalyptic number.

5185265087 is a deficient number, since it is larger than the sum of its proper divisors (8834089).

5185265087 is an equidigital number, since it uses as much as digits as its factorization.

5185265087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8834088.

The product of its (nonzero) digits is 672000, while the sum is 47.

The square root of 5185265087 is about 72008.7847904684. The cubic root of 5185265087 is about 1730.8402577317.

The spelling of 5185265087 in words is "five billion, one hundred eighty-five million, two hundred sixty-five thousand, eighty-seven".